Knowledge Base; What.is.raid - D-Link ShareCenter DNS-325 User Manual

Section 5 - Knowledge Base
RAID,.short.for.Redundant.Array.of.Independent.Disks,.is.a.combination.of.two.or.more.disks.with.the.aim.of.providing.fault.tolerance.and.improving.
performance..There.are.several.different.levels.of.RAID,.with.each.one.providing.a.different.method.of.sharing.or.distributing.data.among.the.drives..
The.device.supports.JBOD,.RAID.0,.RAID.1,.and.Standalone.
RAID 0
RAID.0.provides.data.striping,.which.spreads.out.
blocks.of.data.over.all.drives,.but.does.not.provide.
data.redundancy.
Although. performance. is. improved,. the. lack. of.
fault.tolerance.means.that.if.one.drive.fails,.all.data.
in.the.array.will.be.lost.
D-Link ShareCenter DNS-325 User Manual

Knowledge Base

What is RAID?
RAID 1 RAID.1.provides.mirroring.over.multiple.disks,.with.the.
same.read/write.speed.of.a.single.disk..A.RAID.1.array.can.
only.be.as.large.as.it's.smallest.member.disk.
Because.the.data.is.stored.on.multiple.disks,
RAID. 1. provides. fault. tolerance. and. protection,. in.
addition.to.performance.advantages.
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